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Finding the Fourth Proportional to 332,521.60, 498,782.40 and 166,249.60

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Solution

The fourth proportional to 332,521.60, 498,782.40 and 166,249.60 is: 249,374.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,521.60 : 498,782.40 = 166,249.60 : x
  2. Step 2: Convert to fraction form
    332,521.60/498,782.40 = 166,249.60/x
  3. Step 3: Cross multiply
    332,521.60x = 498,782.40 × 166,249.60
  4. Step 4: Simplify right side
    332,521.60x = 82,922,374,487.04
  5. Step 5: Solve for x
    x = 82,922,374,487.04/332,521.60
  6. Step 6: Final answer
    x = 249,374.40

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.